<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html;charset=utf-8">
<script language="JavaScript"> 
function check(obj){
       var f = document.forms[0];
       if(f.elements[obj.name][0].checked)
	   document.getElementById('aa').style.display = "block";
       else document.getElementById('aa').style.display = "none";
}
    </script> 
  </HEAD> 
  <BODY> 
<form>
<table>
<tr> 
<td> 
&nbsp; 是否显示 </td> 
<td>&nbsp; <input type="radio" name="link" value="1" checked onClick="check(this);">是 <input type="radio" name="link" value="0" onClick="check(this);">否 
</td> 
</tr> 
<tr> 
<td> 
&nbsp; 地址 </td> 
<td>&nbsp;  <input type="text" name="title0" class="InputStyle_1"> </td> 
</tr> 
<tr > 
<td> 
&nbsp;&nbsp;内容 
</td> 
<td>&nbsp;&nbsp; 
<input type="text" name="aa" id="aa" class="InputStyle_1"> </td> 
</tr>
</table>
</form>
  </BODY> 
</HTML>